private WitMappingIndex BuildIndex(WorkItemStore destWIStore, IEnumerable <WorkItem> existingTargetWorkItems, WorkItemsStageConfiguration mapping)
{
var index = new WitMappingIndex();
if (mapping.HasIndex)
{
if (!System.IO.File.Exists(mapping.IndexFile))
{
//HACK on first run the file cannot exists, so create an empty one
index = WitMappingIndex.CreateEmpty(mapping.IndexFile);
}
else
{
index = WitMappingIndex.Load(mapping.IndexFile, destWIStore);
}//if
}
else
{
index.Clear();
foreach (var targetWI in existingTargetWorkItems)
{
var originatingFieldMap = mapping.FindIdFieldForTargetWorkItemType(targetWI.Type.Name);
var v = targetWI.Fields[originatingFieldMap.Destination].Value;
// could be that the destination exists, with no origin (e.g. manual intervention)
int originatingId = (int)(v ?? 0);
index.Add(originatingId, targetWI);
} //for
} //if
return(index);
}
private void UpdateIndex(WitMappingIndex index, IEnumerable <WorkItem> updatedWorkItems, WorkItemsStageConfiguration mapping)
{
if (mapping.HasIndex)
{
index.Update(updatedWorkItems);
index.Save(mapping.IndexFile);
}
else
{
foreach (var dst in updatedWorkItems)
{
var originatingFieldMap = mapping.FindIdFieldForTargetWorkItemType(dst.Type.Name);
int originatingId = (int)dst.Fields[originatingFieldMap.Destination].Value;
index.Update(originatingId, dst);
}//for
}
}
